Prof. Mgr. Jiří Krtička, Ph.D.

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Name, first names, scientific degrees
  • Jiří Krtička, born 28. July 1975 in Broumov
Department/Faculty/University
  • Department of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, Brno
Function, current position
  • associate professor
Education and academic qualifications
  • 1981-1989: elementary school Police nad Metují
  • 1989-1993: secondary school Náchod
  • 1993-1998: physics, Faculty of Science, Masarykov Univerzity in Brno, master thesis "Model atmospheres of K giants", supervisor doc. RNDr. Vladimír Štefl, CSc.
  • 1998-2001: PhD study of theoretical physics and astrophysics, PhD thesis "Hydrodynamics of the stellar wind", supervisor RNDr. Jiří Kubát, CSc.
  • 2007: habilition, Faculty of Science, Masaryk University, habilitation thesis NLTE models of hot-star winds
Professional experience
  • 1998-2003: specialist, Astronomial Institute, Academy of Sciences of CR, Ondřejov
  • 2001: specialist, Department of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, Brno (3 months)
  • 2001-2007: assistant professor, Department of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, Brno
  • 2002: research assistant, University of Glasgow, Glasgow, Scotland, Great Britain (6 months)
  • since 2008: associate professor: Department of Theoretical Physics and Astrophysics, Faculty of Science, Masaryk University, Brno
Teaching activities
  • Mathematical analysis I, seminar tutor
  • Mathematical analysis II, seminar tutor
  • Thermodynamics and statistical physics, lecturer, seminar tutor
  • Introduction to the stellar physics, lecturer
  • Introduction to the physics of stellar systems, lecturer
  • Variable stars, lecturer
  • Astronomical seminar, organizer of the seminar
  • Practical astrophysics - basic course, lecturer
  • Practical astrophysics - advanced course, lecturer
  • Physics of hot stars, lecturer
Research activities
  • hot star winds
  • atmospheres of chemically peculiar stars
  • cool star atmospheres
  • outflowing discs of fast rotating stars
  • principal investigator of the grant GA ČR 205/07/0031 "Stellar winds of first stars"
  • principal investigator of the grant GA ČR GP205/03/D020 "Hydrodynamics of the stellar wind of hot stars"
  • principal investigator of the grant GA AV IAA301630901 "Spectral energy distribution of hot stars and its variability"
  • principal investigator of the grant GA ČR GA205/04/1267 "Circumstellar envelopes of hot stars"
  • principal investigator of the grant GA ČR 205/08/0003 "Mass-loss rate predictions for hot stars"
  • principal investigator of the grant MUNI/A/0968/2009 "Physis of stars and stellar systems"
  • principal investigator of the grant MŠMT Aktion MEB 061014 "Magnetic and Variable Stars: From Ground to Space"
Professional stays abroad
  • 2002: University of Glasgow, Glasgow, Scotland, Velká Británie (6 months)
  • 2003: University of Glasgow, Glasgow, Scotland, Velká Británie (2 weeks)
  • 2004: Astronomický ústav Slovenskej akadémie vied, Tatranská Lomnica, Slovakia (3 days)
  • 2004: Hamburger Sternwarte, Hamburg, Germany (1 week)
  • 2005: Tartu Observatoorium, Toravere, Estonia (1 week)
  • 2005: Universität Potsdam, Postupim, Germany (1 week)
  • 2006: Universitäts-Sternwarte München, Muenchen, Germany (3 days)
  • 2006: Universität Potsdam, Potsdam, Germany (10 days)
  • 2006: Astronomický ústav SAV, Tatranská Lomnica, Slovakia (3 days)
  • 2007: Universitäts-Sternwarte München, Mnichov, Německo (3 days)
  • 2007: Universität Potsdam, Postdam, Germany (1 week)
  • 2008: Universität Wien, Wien, Austria (1 week)
  • 2008: Canakkale Onsekiz Mart Universitesi, Canakkale, Turkey (1 week)
  • 2008: Univerzitet u Beogradu, Beograd, Serbia (1 week)
  • 2008: University of Delaware, Newark, USA (1 week)
  • 2009: Universität Potsdam, Postdam, Germany (1 week)
  • 2009: Universität Wien, Wien, Austria (3 days)
Non-university activities
  • member of the Scientific Council, Astronomical Institute, Academy of Sciences CR
  • member of International Astronomical Union (IAU)
Major publications
  • KRTIČKA, Jiří, Jan JANÍK, Hana MARKOVÁ, Zdeněk MIKULÁŠEK, Juraj ZVERKO, Milan PRVÁK a Marek SKARKA. Ultraviolet and visual flux and line variations of one of the least variable Bp stars HD 64740. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2013, roč. 556, léto, s. "A18-1"-"A18-11". ISSN 0004-6361. doi:10.1051/0004-6361/201221018. URLinfo
  • GRANADA, A., S. EKSTROEM, C. GEORGY, Jiří KRTIČKA, S. OWOCKI, Georges MEYNET a A. MAEDER. Populations of rotating stars II. Rapid rotators and their link to Be-type stars. ASTRONOMY & ASTROPHYSICS, LES ULIS CEDEX A: EDP SCIENCES S A, 2013, roč. 553, květen, s. "A25-1"-"A25-14". ISSN 0004-6361. doi:10.1051/0004-6361/201220559. URLinfo
  • KRTIČKA, Jiří, Zdeněk MIKULÁŠEK, Theresa LÜFTINGER, Denis SHULYAK, Juraj ZVERKO, Jozef ŽIŽŇOVSKÝ a Nikolaj SOKOLOV. Modelling of the ultraviolet and visual SED variability in the hot magnetic Ap star CU Virginis. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2012, roč. 537, A14, s. A14-1;A11-14. ISSN 0004-6361. doi:10.1051/0004-6361/201117490. URLinfo
  • KRTIČKA, Jiří, Jiří KUBÁT a Jan SKALICKÝ. X-Ray Photoionized Bubble in the Wind of Vela X-1 Pulsar Supergiant Companion. Astrophysical Journal, Chicago: University of Chicago Press, 2012, roč. 757, č. 2, s. 162-167. ISSN 0004-637X. doi:10.1088/0004-637X/757/2/162. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. Influence of extreme ultraviolet radiation on the P V ionization fraction in hot star winds. Monthly Notices of the Royal Astronomical Society, 2012, roč. 427, č. 1, s. 84-90. ISSN 0035-8711. doi:10.1111/j.1365-2966.2012.21895.x. URLinfo
  • MUIJRES, Lianne, Alex DE KOTER, Jorick VINK, Jiří KRTIČKA, Jiří KUBÁT a Norbert LANGER. Predictions of the effect of clumping on the wind properties of O-type stars. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2011, roč. 526, zima, s. "A32-1"-"A32-11". ISSN 0004-6361. doi:10.1051/0004-6361/201014290. URLinfo
  • KRTIČKA, Jiří, Stanley P. OWOCKI a Georges MEYNET. Mass and angular momentum loss via decretion disks. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2011, roč. 527, č. 03, s. "A84-1"-"A84-9". ISSN 0004-6361. doi:10.1051/0004-6361/201015951. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. Improved velocity law parameterization for hot star winds. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2011, roč. 534, podzim, s. "A97-1"-"A97-3". ISSN 0004-6361. doi:10.1051/0004-6361/201116679. URLinfo
  • KRTIČKA, Jiří, Viktor VOTRUBA a Jiří KUBÁT. Weak wind effects in CNO driven winds of hot first stars. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2010, roč. 516, červenec, s. A100. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. Comoving frame models of hot star winds I. Test of the Sobolev approximation in the case of pure line transitions. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2010, roč. 519, č. 09, s. A-50-1. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. NLTE wind models of hot subdwarf stars. Astrophysics and Space Science, Heidelberg: Springer Science+Business Media B.V., 2010, roč. 329, č. 1, s. 145-150. ISSN 0004-640X. URLinfo
  • VOTRUBA, Viktor, Achim FELDMEIER, Jiří KRTIČKA a Jiří KUBÁT. Multicomponent stellar wind from hot subdwarfs stars. Astrophysics and Space Science, Heidelberg: Springer Science+Business Media B.V., 2010, roč. 329, č. 1, s. 159-161. ISSN 0004-640X. URLinfo
  • SHULYAK, Denis, Jiří KRTIČKA, Zdeněk MIKULÁŠEK, Oleg KOCHUKHOV a Theresa LÜFTINGER. Modelling the light variability of the Ap star epsilon Ursae Majoris. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2010, roč. 524, November, s. A66-1;A66-9. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. CNO-driven winds of hot first stars. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2009, roč. 2009, č. 493, s. 585-593. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. NLTE models of line-driven stellar winds III. Influence of X-ray radiation on wind structure of O stars. Monthly Notices of the Royal Astronomical Society, 2009, roč. 394, č. 4, s. 2065 - 2079. ISSN 0035-8711. URLinfo
  • KRTIČKA, Jiří, Zdeněk MIKULÁŠEK, Gregory W. HENRY, Juraj ZVERKO, Jozef ZIZNOVSKY, Jan SKALICKÝ a Pavel ZVĚŘINA. The nature of the light variability of the silicon star HR 7224. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2009, roč. 37, č. 499, s. 567-577. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří, Achim FELDMEIER, Lida OSKINOVA, Jiří KUBÁT a Wolf-Rainer HAMANN. X-ray emission from hydrodynamical simulations in non-LTE wind models. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2009, Neuveden, č. 508, s. 841-848. ISSN 0004-6361. URLinfo
  • KRAUS, Michaela, Jiří KUBÁT a Jiří KRTIČKA. On the importance of the wind emission to the optical continuum of OB supergiants. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2008, roč. 36, č. 481, s. 499-506. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. Hot star wind models with new solar abundances. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2007, roč. 2007, č. 464, s. L17-L20. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. Radiatively Driven Winds of OB Stars - from Micro to Macro. In Active OB-Stars: Laboratories For Stellar and Circumstellar Physics. San Francisco, USA: Astronomical Society of the Pacific, 2007. s. 153-164, 12 s. ISBN 978-1-583812-29-7. URLinfo
  • KRTIČKA, Jiří, Zdeněk MIKULÁŠEK, Juraj ZVERKO a Jozef ŽIŽŇOVSKÝ. The light variability of the helium strong star HD 37776 as a result of its inhomogeneous elemental surface distribution. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2007, roč. 39, č. 470, s. 1089-1098. ISSN 0004-6361. URLURLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. The winds of hot massive first stars. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2006, roč. 2006, č. 446, s. 1039-1049. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří. NLTE models of line-driven stellar winds II. O stars in the Small Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 2006, roč. 367, č. 3, s. 1282-1296. ISSN 0035-8711. URLinfo
  • KRTIČKA, Jiří, Jiří KUBÁT a Detlef GROOTE. Multicomponent radiatively driven stellar winds IV. On the helium decoupling in the wind of sigma Ori E. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2006, roč. 460, č. 1, s. 145-153. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. Mass Loss from Massive Zero-Metallicity Stars. In Stellar Evolution at Low Metallicity: Mass Loss, Explosions. San Francisco, USA: Astronomical Society of the Pacific, 2006. s. 133-140, 8 s. ISBN 1-58381-221-0. URLinfo
  • KRTIČKA, Jiří, Daniela KORČÁKOVÁ a Jiří KUBÁT. Challenges to the theories of B stars circumstellar environment. In Publ. Astron. Inst. Czech. 93. vyd. Ondrejov: AsU AV CR, 2005. s. 29-35, 7 s. URLinfo
  • KUBÁT, Jiří, Jiří KRTIČKA a Izold PUSTYLNIK. Radiation induced coronal wind in late B stars. New Astronomy, 2004, roč. 2004, č. 9, s. 215-224. ISSN 1384-1076. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. NLTE models of line-driven stellar winds I. Method of calculation and first results for O stars. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2004, roč. 2004, č. 417, s. 1003-1016. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří, Richard K. BARRETT, John C. BROWN a Stanley P. OWOCKI. Kinematic model inversions of hot star recurrent DAC data - tests against dynamical CIR models. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2004, roč. 2004, č. 417, s. 1039-1045. ISSN 0004-6361. URLinfo
  • SAAD, Somaya M., Jiří KUBÁT, Pavel KOUBSKÝ, Petr HARMANEC, Petr ŠKODA, Daniela KORČÁKOVÁ, Jiří KRTIČKA, Miroslav ŠLECHTA, Hrvoj BOŽIČ, H. AK, Petr HADRAVA a Viktor VOTRUBA. Properties and nature of Be stars XXIII. Long-term variations and physical properties of kappa Dra. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2004, roč. 35, č. 419, s. 607-621. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří, Daniela KORČÁKOVÁ a Jiří KUBÁT. Challenges to the theories of B stars circumstellar environment. Challenges to the theories of B stars circumstellar environmentAs. Astronomische Nachrichten, 2004, roč. 325, č. 1, s. 19-19. ISSN 0004-6337. URLinfo
  • KRTIČKA, Jiří, Stanley P. OWOCKI, Jiří KUBÁT, Ross K. GALLOWAY a John C. BROWN. On multicomponent effects in stellar winds of stars at extremely low metallicity. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2003, roč. 35, č. 402, s. 713-718. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. Multicomponent radiatively driven stellar winds III. Radiative-acoustic waves in a two-component wind. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2002, roč. 35, č. 388, s. 531-549. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. Multicomponent radiatively driven stellar winds I.Nonisothermal three-component wind of hot B stars. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2001, roč. 35, č. 369, s. 222-238. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří a Jiří KUBÁT. Multicomponent radiatively driven stellar windsII. Gayley-Owocki heating in multitemperature winds of OB stars. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2001, roč. 35, č. 377, s. 175-191. ISSN 0004-6361. info
  • KRTIČKA, Jiří a Jiří KUBÁT. Isothermal two-component stellar wind of hot stars. Astronomy and Astrophysics, Heidelberg: Springer-Verlag, 2000, roč. 32, č. 359, s. 983-990. ISSN 1432-0746. URLinfo
  • HARMANEC, Petr, Pevel HABUDA, Stanislav ŠTEFL, Petr HADRAVA, Daniela KORČÁKOVÁ, Pevel KOUBSKÝ, Jiří KRTIČKA, Jiří KUBÁT, Petr ŠKODA, Miroslav ŠLECHTA a Marek WOLF. Properties and nature of Be stars. XX. Binary nature and orbital elements of gamma Cas. Astronomy and Astrophysics, Les Ulis Cedex, France: EDP Sciences, 2000, roč. 33, č. 364, s. 85-88. ISSN 0004-6361. URLinfo
  • KRTIČKA, Jiří a Vladimír ŠTEFL. Atmosphere parameters of four K-giants obtained by spectrum fitting. Astronomy and Astrophysics Supplement Series, Les Ulis Cedex (France): EDP Sciences, 1999, roč. 31, č. 138, s. 47-54. ISSN 0365-0138. URLinfo

Last update: 2010/05/21